Money Grocery shopping 2.0: You’ll soon be able to scan for food allergies with tap of an iPhone February 18, 2019 Charisse Jones, USA TODAY Comments Off on Grocery shopping 2.0: You’ll soon be able to scan for food allergies with tap of an iPhone If you're lactose intolerant, gluten free or simply counting calories, you'll soon be able to scan a grocery store shelf and find the items you want.